dvd_challenge    1598 drivers/cdrom/cdrom.c #define copy_chal(dest,src)	memcpy((dest), (src), sizeof(dvd_challenge))
dvd_challenge     626 include/uapi/linux/cdrom.h 	dvd_challenge chal;
dvd_challenge     640 include/uapi/linux/cdrom.h 	dvd_challenge chal;